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Added dedicated SiCKRAGE section with API version and SSO login support (#1805)

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Added migration code to migrate SickBeard section with fork sickrage-api to new SiCKRAGE section
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# -*- coding: utf-8 -*-
"""
oauthlib.oauth2.rfc6749.request_validator
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"""
from __future__ import absolute_import, unicode_literals
import logging
log = logging.getLogger(__name__)
class RequestValidator(object):
def client_authentication_required(self, request, *args, **kwargs):
"""Determine if client authentication is required for current request.
According to the rfc6749, client authentication is required in the following cases:
- Resource Owner Password Credentials Grant, when Client type is Confidential or when
Client was issued client credentials or whenever Client provided client
authentication, see `Section 4.3.2`_.
- Authorization Code Grant, when Client type is Confidential or when Client was issued
client credentials or whenever Client provided client authentication,
see `Section 4.1.3`_.
- Refresh Token Grant, when Client type is Confidential or when Client was issued
client credentials or whenever Client provided client authentication, see
`Section 6`_
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Authorization Code Grant
- Resource Owner Password Credentials Grant
- Refresh Token Grant
.. _`Section 4.3.2`: https://tools.ietf.org/html/rfc6749#section-4.3.2
.. _`Section 4.1.3`: https://tools.ietf.org/html/rfc6749#section-4.1.3
.. _`Section 6`: https://tools.ietf.org/html/rfc6749#section-6
"""
return True
def authenticate_client(self, request, *args, **kwargs):
"""Authenticate client through means outside the OAuth 2 spec.
Means of authentication is negotiated beforehand and may for example
be `HTTP Basic Authentication Scheme`_ which utilizes the Authorization
header.
Headers may be accesses through request.headers and parameters found in
both body and query can be obtained by direct attribute access, i.e.
request.client_id for client_id in the URL query.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Authorization Code Grant
- Resource Owner Password Credentials Grant (may be disabled)
- Client Credentials Grant
- Refresh Token Grant
.. _`HTTP Basic Authentication Scheme`: https://tools.ietf.org/html/rfc1945#section-11.1
"""
raise NotImplementedError('Subclasses must implement this method.')
def authenticate_client_id(self, client_id, request, *args, **kwargs):
"""Ensure client_id belong to a non-confidential client.
A non-confidential client is one that is not required to authenticate
through other means, such as using HTTP Basic.
Note, while not strictly necessary it can often be very convenient
to set request.client to the client object associated with the
given client_id.
:param client_id: Unicode client identifier.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Authorization Code Grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def confirm_redirect_uri(self, client_id, code, redirect_uri, client, request,
*args, **kwargs):
"""Ensure that the authorization process represented by this authorization
code began with this 'redirect_uri'.
If the client specifies a redirect_uri when obtaining code then that
redirect URI must be bound to the code and verified equal in this
method, according to RFC 6749 section 4.1.3. Do not compare against
the client's allowed redirect URIs, but against the URI used when the
code was saved.
:param client_id: Unicode client identifier.
:param code: Unicode authorization_code.
:param redirect_uri: Unicode absolute URI.
:param client: Client object set by you, see ``.authenticate_client``.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Authorization Code Grant (during token request)
"""
raise NotImplementedError('Subclasses must implement this method.')
def get_default_redirect_uri(self, client_id, request, *args, **kwargs):
"""Get the default redirect URI for the client.
:param client_id: Unicode client identifier.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: The default redirect URI for the client
Method is used by:
- Authorization Code Grant
- Implicit Grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def get_default_scopes(self, client_id, request, *args, **kwargs):
"""Get the default scopes for the client.
:param client_id: Unicode client identifier.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: List of default scopes
Method is used by all core grant types:
- Authorization Code Grant
- Implicit Grant
- Resource Owner Password Credentials Grant
- Client Credentials grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def get_original_scopes(self, refresh_token, request, *args, **kwargs):
"""Get the list of scopes associated with the refresh token.
:param refresh_token: Unicode refresh token.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: List of scopes.
Method is used by:
- Refresh token grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def is_within_original_scope(self, request_scopes, refresh_token, request, *args, **kwargs):
"""Check if requested scopes are within a scope of the refresh token.
When access tokens are refreshed the scope of the new token
needs to be within the scope of the original token. This is
ensured by checking that all requested scopes strings are on
the list returned by the get_original_scopes. If this check
fails, is_within_original_scope is called. The method can be
used in situations where returning all valid scopes from the
get_original_scopes is not practical.
:param request_scopes: A list of scopes that were requested by client.
:param refresh_token: Unicode refresh_token.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Refresh token grant
"""
return False
def introspect_token(self, token, token_type_hint, request, *args, **kwargs):
"""Introspect an access or refresh token.
Called once the introspect request is validated. This method should
verify the *token* and either return a dictionary with the list of
claims associated, or `None` in case the token is unknown.
Below the list of registered claims you should be interested in:
- scope : space-separated list of scopes
- client_id : client identifier
- username : human-readable identifier for the resource owner
- token_type : type of the token
- exp : integer timestamp indicating when this token will expire
- iat : integer timestamp indicating when this token was issued
- nbf : integer timestamp indicating when it can be "not-before" used
- sub : subject of the token - identifier of the resource owner
- aud : list of string identifiers representing the intended audience
- iss : string representing issuer of this token
- jti : string identifier for the token
Note that most of them are coming directly from JWT RFC. More details
can be found in `Introspect Claims`_ or `_JWT Claims`_.
The implementation can use *token_type_hint* to improve lookup
efficency, but must fallback to other types to be compliant with RFC.
The dict of claims is added to request.token after this method.
:param token: The token string.
:param token_type_hint: access_token or refresh_token.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
Method is used by:
- Introspect Endpoint (all grants are compatible)
.. _`Introspect Claims`: https://tools.ietf.org/html/rfc7662#section-2.2
.. _`JWT Claims`: https://tools.ietf.org/html/rfc7519#section-4
"""
raise NotImplementedError('Subclasses must implement this method.')
def invalidate_authorization_code(self, client_id, code, request, *args, **kwargs):
"""Invalidate an authorization code after use.
:param client_id: Unicode client identifier.
:param code: The authorization code grant (request.code).
:param request: OAuthlib request.
:type request: oauthlib.common.Request
Method is used by:
- Authorization Code Grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def revoke_token(self, token, token_type_hint, request, *args, **kwargs):
"""Revoke an access or refresh token.
:param token: The token string.
:param token_type_hint: access_token or refresh_token.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
Method is used by:
- Revocation Endpoint
"""
raise NotImplementedError('Subclasses must implement this method.')
def rotate_refresh_token(self, request):
"""Determine whether to rotate the refresh token. Default, yes.
When access tokens are refreshed the old refresh token can be kept
or replaced with a new one (rotated). Return True to rotate and
and False for keeping original.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Refresh Token Grant
"""
return True
def save_authorization_code(self, client_id, code, request, *args, **kwargs):
"""Persist the authorization_code.
The code should at minimum be stored with:
- the client_id (``client_id``)
- the redirect URI used (``request.redirect_uri``)
- a resource owner / user (``request.user``)
- the authorized scopes (``request.scopes``)
To support PKCE, you MUST associate the code with:
- Code Challenge (``request.code_challenge``) and
- Code Challenge Method (``request.code_challenge_method``)
To support OIDC, you MUST associate the code with:
- nonce, if present (``code["nonce"]``)
The ``code`` argument is actually a dictionary, containing at least a
``code`` key with the actual authorization code:
``{'code': 'sdf345jsdf0934f'}``
It may also have a ``claims`` parameter which, when present, will be a dict
deserialized from JSON as described at
http://openid.net/specs/openid-connect-core-1_0.html#ClaimsParameter
This value should be saved in this method and used again in ``.validate_code``.
:param client_id: Unicode client identifier.
:param code: A dict of the authorization code grant and, optionally, state.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
Method is used by:
- Authorization Code Grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def save_token(self, token, request, *args, **kwargs):
"""Persist the token with a token type specific method.
Currently, only save_bearer_token is supported.
:param token: A (Bearer) token dict.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
"""
return self.save_bearer_token(token, request, *args, **kwargs)
def save_bearer_token(self, token, request, *args, **kwargs):
"""Persist the Bearer token.
The Bearer token should at minimum be associated with:
- a client and it's client_id, if available
- a resource owner / user (request.user)
- authorized scopes (request.scopes)
- an expiration time
- a refresh token, if issued
- a claims document, if present in request.claims
The Bearer token dict may hold a number of items::
{
'token_type': 'Bearer',
'access_token': 'askfjh234as9sd8',
'expires_in': 3600,
'scope': 'string of space separated authorized scopes',
'refresh_token': '23sdf876234', # if issued
'state': 'given_by_client', # if supplied by client (implicit ONLY)
}
Note that while "scope" is a string-separated list of authorized scopes,
the original list is still available in request.scopes.
The token dict is passed as a reference so any changes made to the dictionary
will go back to the user. If additional information must return to the client
user, and it is only possible to get this information after writing the token
to storage, it should be added to the token dictionary. If the token
dictionary must be modified but the changes should not go back to the user,
a copy of the dictionary must be made before making the changes.
Also note that if an Authorization Code grant request included a valid claims
parameter (for OpenID Connect) then the request.claims property will contain
the claims dict, which should be saved for later use when generating the
id_token and/or UserInfo response content.
:param token: A Bearer token dict.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: The default redirect URI for the client
Method is used by all core grant types issuing Bearer tokens:
- Authorization Code Grant
- Implicit Grant
- Resource Owner Password Credentials Grant (might not associate a client)
- Client Credentials grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def validate_bearer_token(self, token, scopes, request):
"""Ensure the Bearer token is valid and authorized access to scopes.
:param token: A string of random characters.
:param scopes: A list of scopes associated with the protected resource.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
A key to OAuth 2 security and restricting impact of leaked tokens is
the short expiration time of tokens, *always ensure the token has not
expired!*.
Two different approaches to scope validation:
1) all(scopes). The token must be authorized access to all scopes
associated with the resource. For example, the
token has access to ``read-only`` and ``images``,
thus the client can view images but not upload new.
Allows for fine grained access control through
combining various scopes.
2) any(scopes). The token must be authorized access to one of the
scopes associated with the resource. For example,
token has access to ``read-only-images``.
Allows for fine grained, although arguably less
convenient, access control.
A powerful way to use scopes would mimic UNIX ACLs and see a scope
as a group with certain privileges. For a restful API these might
map to HTTP verbs instead of read, write and execute.
Note, the request.user attribute can be set to the resource owner
associated with this token. Similarly the request.client and
request.scopes attribute can be set to associated client object
and authorized scopes. If you then use a decorator such as the
one provided for django these attributes will be made available
in all protected views as keyword arguments.
:param token: Unicode Bearer token
:param scopes: List of scopes (defined by you)
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is indirectly used by all core Bearer token issuing grant types:
- Authorization Code Grant
- Implicit Grant
- Resource Owner Password Credentials Grant
- Client Credentials Grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def validate_client_id(self, client_id, request, *args, **kwargs):
"""Ensure client_id belong to a valid and active client.
Note, while not strictly necessary it can often be very convenient
to set request.client to the client object associated with the
given client_id.
:param client_id: Unicode client identifier.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Authorization Code Grant
- Implicit Grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def validate_code(self, client_id, code, client, request, *args, **kwargs):
"""Verify that the authorization_code is valid and assigned to the given
client.
Before returning true, set the following based on the information stored
with the code in 'save_authorization_code':
- request.user
- request.scopes
- request.claims (if given)
OBS! The request.user attribute should be set to the resource owner
associated with this authorization code. Similarly request.scopes
must also be set.
The request.claims property, if it was given, should assigned a dict.
If PKCE is enabled (see 'is_pkce_required' and 'save_authorization_code')
you MUST set the following based on the information stored:
- request.code_challenge
- request.code_challenge_method
:param client_id: Unicode client identifier.
:param code: Unicode authorization code.
:param client: Client object set by you, see ``.authenticate_client``.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Authorization Code Grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def validate_grant_type(self, client_id, grant_type, client, request, *args, **kwargs):
"""Ensure client is authorized to use the grant_type requested.
:param client_id: Unicode client identifier.
:param grant_type: Unicode grant type, i.e. authorization_code, password.
:param client: Client object set by you, see ``.authenticate_client``.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Authorization Code Grant
- Resource Owner Password Credentials Grant
- Client Credentials Grant
- Refresh Token Grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def validate_redirect_uri(self, client_id, redirect_uri, request, *args, **kwargs):
"""Ensure client is authorized to redirect to the redirect_uri requested.
All clients should register the absolute URIs of all URIs they intend
to redirect to. The registration is outside of the scope of oauthlib.
:param client_id: Unicode client identifier.
:param redirect_uri: Unicode absolute URI.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Authorization Code Grant
- Implicit Grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def validate_refresh_token(self, refresh_token, client, request, *args, **kwargs):
"""Ensure the Bearer token is valid and authorized access to scopes.
OBS! The request.user attribute should be set to the resource owner
associated with this refresh token.
:param refresh_token: Unicode refresh token.
:param client: Client object set by you, see ``.authenticate_client``.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Authorization Code Grant (indirectly by issuing refresh tokens)
- Resource Owner Password Credentials Grant (also indirectly)
- Refresh Token Grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def validate_response_type(self, client_id, response_type, client, request, *args, **kwargs):
"""Ensure client is authorized to use the response_type requested.
:param client_id: Unicode client identifier.
:param response_type: Unicode response type, i.e. code, token.
:param client: Client object set by you, see ``.authenticate_client``.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Authorization Code Grant
- Implicit Grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def validate_scopes(self, client_id, scopes, client, request, *args, **kwargs):
"""Ensure the client is authorized access to requested scopes.
:param client_id: Unicode client identifier.
:param scopes: List of scopes (defined by you).
:param client: Client object set by you, see ``.authenticate_client``.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by all core grant types:
- Authorization Code Grant
- Implicit Grant
- Resource Owner Password Credentials Grant
- Client Credentials Grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def validate_user(self, username, password, client, request, *args, **kwargs):
"""Ensure the username and password is valid.
OBS! The validation should also set the user attribute of the request
to a valid resource owner, i.e. request.user = username or similar. If
not set you will be unable to associate a token with a user in the
persistance method used (commonly, save_bearer_token).
:param username: Unicode username.
:param password: Unicode password.
:param client: Client object set by you, see ``.authenticate_client``.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Resource Owner Password Credentials Grant
"""
raise NotImplementedError('Subclasses must implement this method.')
def is_pkce_required(self, client_id, request):
"""Determine if current request requires PKCE. Default, False.
This is called for both "authorization" and "token" requests.
Override this method by ``return True`` to enable PKCE for everyone.
You might want to enable it only for public clients.
Note that PKCE can also be used in addition of a client authentication.
OAuth 2.0 public clients utilizing the Authorization Code Grant are
susceptible to the authorization code interception attack. This
specification describes the attack as well as a technique to mitigate
against the threat through the use of Proof Key for Code Exchange
(PKCE, pronounced "pixy"). See `RFC7636`_.
:param client_id: Client identifier.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: True or False
Method is used by:
- Authorization Code Grant
.. _`RFC7636`: https://tools.ietf.org/html/rfc7636
"""
return False
def get_code_challenge(self, code, request):
"""Is called for every "token" requests.
When the server issues the authorization code in the authorization
response, it MUST associate the ``code_challenge`` and
``code_challenge_method`` values with the authorization code so it can
be verified later.
Typically, the ``code_challenge`` and ``code_challenge_method`` values
are stored in encrypted form in the ``code`` itself but could
alternatively be stored on the server associated with the code. The
server MUST NOT include the ``code_challenge`` value in client requests
in a form that other entities can extract.
Return the ``code_challenge`` associated to the code.
If ``None`` is returned, code is considered to not be associated to any
challenges.
:param code: Authorization code.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: code_challenge string
Method is used by:
- Authorization Code Grant - when PKCE is active
"""
return None
def get_code_challenge_method(self, code, request):
"""Is called during the "token" request processing, when a
``code_verifier`` and a ``code_challenge`` has been provided.
See ``.get_code_challenge``.
Must return ``plain`` or ``S256``. You can return a custom value if you have
implemented your own ``AuthorizationCodeGrant`` class.
:param code: Authorization code.
:param request: OAuthlib request.
:type request: oauthlib.common.Request
:rtype: code_challenge_method string
Method is used by:
- Authorization Code Grant - when PKCE is active
"""
raise NotImplementedError('Subclasses must implement this method.')